Anchor bolt



FIG. 1 is a perspective view of an anchor bolt according to my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is an enlarged top plan view thereof;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is an enlarged partial view of the anchor bolt shown in FIG. 1 ; and,

FIG. 6 is an enlarged partial view of the anchor bolt shown in FIG. 1 .

The broken lines rendered in FIGS. 5 and 6 forms no part of the claimed design. 

CLAIM The ornamental design for an anchor bolt, as shown and described. 